Rectifying apparatus.



A. GOLODETZ.

RECTIFYING APPARATUS.

APPLICATION FILED AUG. 16, 1912.

Patented Feb. 10, 1914.

A. GOLODETZ.

REGTIFYING APPARATUS.

APPLICATION FILED AUG. 16, 1912.

1 6 452 Patented Feb. 10, 1914.

2 SHEETS-SHEET 2.

Z/Zinessm $106762? UNITED sTATEs- PATENT OFFICE.

ABRAM GOLODETZ, or

BERLIN, GERMANY, ASSIGNOR 0F ONE-HALF TO IBERNHARD BENEDIX, 0F HAMBURG, GERMANY.

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Specification of Letters Yatent. Application filed August 16, 1912. Serial No. 715,490.

Patented Feb. 10, 1914.

To all whom it may concern:

Be it known that I, ABnAMGoLonnTz, a subject of the Emperor of Russia, residing at 132 Linienstrasse, Berlin, in the German Empire, have invented certain new and use ful Improvements in Rectifying Apparatus, of which the following-is a specificatlon.

This invention relates to continuous rectifyin or distilling apparatus of the class in whic a number of concentric cylindrical or substantially cylindrical =.columns are provided formin an inner cylindrical or substantially cylindrical chamber and one or more outer annular chambers, the va rs of the liquid to be' distilledpassing t rough said chambers successively and being rec: tified on their way therethrough.

The. object of the present invention -is 'to simplify theconstruction of such apparatus and to enable a much purer distillate to be obtained. 7

According to the present invention-a cylindrioal column is mounted upon the still or otherwise adapted-to receive the vapors of,

the liquid to be distilled, the va ors entering; said column from below. oncentricallyi arranged within said column is another similar column, the inner column as well as:

the annular space between the two columns,}

being, if necessary, provided with the usuali rectifying devices. The upper end of the annular space between the columns connects. with a condenser and the condensate there-l from passes into the upper end of the inner 1 column and in falling down therethroughfi not only serves to dephlegmate or condense; the vapors in the outer annular chamber by taking heat therefrom, but is also distilled;

therein by taking up the heat necessary fori its vaporization from the vapors in the outer j annular chamber, while the 'unvaporized constituents in the inner column are returned to the still for re-distillation. It will thus be seen that the vapors under- 1 go a process of rectification and dephlegma- 3 tion in the outer annular chamber, are therei upon condensed in the condenser and again distilled and rectified in the inner column,

,inolosed by each inner column by the vapors in the next outer concentric space, and in arranging a condenser in the path of the vapors from each space to the next inner one.

In the accompanying drawings. several forms of my improved rectifying or distilling apparatus are shown by way of example. V

Figure 1 is asectional view of an apparatus constructed according to the invention of metal for manufacturing purposes, certain parts being omitted. Figs; 2 and '3 illustrate two different modifications of the apparatus illustrated in Fig. 1, which may be constructed of glass for laboratory purposes. Figs. 4 and 5 are detail enlarged views of the rectifying apparatus shown in Fig. 1, showing a portion of the two columns with their trays, Fig. 4 being a vertical section on the line C-+D of Fig. 5, and Fig. 5 being a transverse section on the line A-B' of Fig. 4.

Referring firstly to Figs. 1, 4 and 5: a designates a still (shown broken away), in which the mixture of liquids to be distilled is heated by any suitable means; To this still a is connected the outer column b, which is preferably cylindrical. Within this column 7; is arranged a narrower column 0. so that an annular space is provided between the walls of the outer column b and the inner column 0. This annular space is'fitted with suitable trays dsuch as are usually employed for rectifying purposes. As shown, these trays d-may consist of annular .pans e and .f fitting into the polls 0. The inner column is provided with similar trays g, takes place in the tube 1", the heat being the central opening it of the trays '9 being, derive from the vapors in the annular however, covered by a hood c. chamber between the tubes 1 and 1 and the as The inner column 0 extends for the vapors now formed pass away through an '5 greater part of its length into the outer upper branch tube 9 while the unvaporized column b, and a condenser is is connected to constituents in the tube .1, are returned to the interior of the two columns b and a by the retort through a discharge tube 10. pipes m and 1 respectively, as shown in Fig. In the modification according to Fig; 3 1. In the form shown in Fig. 1, another the rectifying process is similar to that de- 10 condenser Z is connected with the upper porscribed with'reference to Figs. 1 and 2. In

tion of the inner column 0 b a pi e 0. the outer tube .1 dephlegmation is attained The vapor generated in t e sti a. asses by providing the inner tube 7 with constricinto the annular space between the co umns tions. so as to form a series of approxib and a from below and traverses the difmately spherical chambers, so that the annu- 1'5 ferent trays'd provided therein. From the lar space is constricted at intervals. This upper portion of the outer mlum'n 'b theconstruction enables the use of a filling to vapor is conducted through the pipe-1n Ito be-dispensed with-and thus enables the apthe condenserk which is cooled by a'water paratus to be used where small quantities current or by cold air, why the liquid itself of liquid are to be distilled or where the 20 to be distilled. The ve r condensed in the liquidsto'be distilled arevaluable.

condenser k is conveye continuously :by the In both the constructions shown in Figs. pipe n into the inner column 0 and flows 2 and'3- the outer and inner tubes instead downwardly therethrough and is heated by of "being simply fused together, may be $5 the heat of the vapor in the outer column 11. joined at their upper ends by a cork. The

5 By heating the condensate as it flows downworm condenser can, in the case, be made wardly through the inner column, a further separate. For-.Iliquids of low boiling point distillation takes place thus yielding still the condenserv may be. provided with a waricher vapors of the more volatile cons'tituter-cooling jacket.::.---' ents. These vapors rise upwardly through{ I claim so thetrays g of the inner column d and are -l=. In rectifyin'gapparatus, an outer colconstantly washed by the downwardly -umn open below twreceive the; vapors to be trickling product of condensation. They, rectified, aninner forming a space thus become rectified and are conducted by between it'and the'outer-c olumn, anda 'con- 9'5 the pipe 0 to the second condensefll where denser connectedtothe upper end of said 35 they are condensed and maybe conducted. o'uter column anchto the upper end of said away by the pi p. The less volatile liquid inner column whereby the condensate'from remaining in t e trays or pans of theiouter, said. condenser fallsdown through said incolumn may be either conducted by means; netEcoluinn and is distilled therein by, tak

of pipes which are arranged alternately; -.-ing..heat from the vapors in,the spacebe- 40 on opposite sides of a-partition r intermetween said columns.

diate the rings f, tothe liquid contained-in; 2. 'In recti g apparatus, an outer colthe still a, or-may be separately collected. umnopen be ow to remeive the vapors to t The unvaporized constituents in the inner be'rectified, inner column forming a column a pass over the outer edges of the spacebetween it .and the outer column, a

i 45 trays g and are returned through the pipe condenser connected to the, upper end of s to the still a. 7 said outer; column and tothe upper end of Referring now to Fig. 2 which-illustrates. said inner .column whereby the. condensate an apparatus which may be constructed of from said-condenser falls down thro h 11.

glass for smaller laboratory distillation: said innercolumn andisdistilled therein y to The vapors from the retort(not shown) entaking heat: from-the valors in thespace ter from below at 8 into an annular chambetween said columns, an a dischar epipe formed between two concentric= glass: connected to the lower end of sai inner tubes 1 and Feed filled with suitable macolumn for discharging? unvaporized con- "terial 2, as for instance, glass beads, pieces stituents therein. I

55 0f wire or the :the material being held; :3. In recti apparatus, an outer colin position by a spirall -wound glassrod, tumn' openwbe ow toreceive the vapors to' 3. The .vapors pass om this annular be retifiedy an' forming a chamber through a side tube 4: into a worm space betweeniteandji-tlkliouterlwl g all condenser 5. w ere they are condensed by alr-cooled worm condenserconnected.mthe

- 60 the external air and. ass into the inner upper endoflsaidoutencohhnn.and' to the tube 1* which is likewise filled with glass upper end ofsaid inner-column-wliereby heads 6 or the like. A second distillation the condensate-:from -said condenser lfalls down through said inner column and is distilled therein by taking heat from the vapors in the 8%? between said columns.

' and the outer column, and a condenser connected to the upper end of said outer column 10 and to the upper end of said inner column whereby the condensate from said condenser falls down through said inner column and is distilled therein by taking heat from the va ors in the space between said columns.

testimony whereof I afiix my signa- 15 ture in presence of two witnesses.

' ABRAM GOLODETZ. Witnesses:

HENRY HASPER, ARTHUR Sonnononn. 

